During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.49 km/s at an initial inclination of 61.5 to the horizontal. The acceleration of gravity is 9.8 m/s2 . How far away did the shell hit? Answer in units of km How long was it in the air? answer in units of s

Question

During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.49 km/s at an initial inclination of 61.5 to the horizontal. The acceleration of gravity is 9.8 m/s2 . How far away did the shell hit? Answer in units of km   How long was it in the air? answer in units of s

anonymous · Answer

to find T use the formula
$$\frac{ 2Usin \theta }{ g }$$
U is initial velocity
theta is the angle
g is acceleration due to gravity